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Source: http://www.bloomberg.com/news/2013-04-09/china-bird-flu-outbreak-may-stem-from-numerous-sources.html
China Bird Flu Outbreak May Stem From Numerous Sources
By Michelle Fay Cortez & Andrea Gerlin - Apr 9, 2013 5:42 PM ET
China?s deadly avian flu outbreak is being driven by at least two closely-related viruses, a situation that may make it more difficult to contain in humans and birds, researchers said.
The H7N9 flu has shown signs of genetic diversity since the first three patients were diagnosed, said Richard Webby, director of a World Health Organization collaborating center for the virus at St. Jude Children?s Research Hospital in Memphis. It already appears more infectious than the H5N1 strain of bird flu that has been circulating since 2003, infecting 600 people and killing 60 percent of them, he said...
China Bird Flu Outbreak May Stem From Numerous Sources
By Michelle Fay Cortez & Andrea Gerlin - Apr 9, 2013 5:42 PM ET
China?s deadly avian flu outbreak is being driven by at least two closely-related viruses, a situation that may make it more difficult to contain in humans and birds, researchers said.
The H7N9 flu has shown signs of genetic diversity since the first three patients were diagnosed, said Richard Webby, director of a World Health Organization collaborating center for the virus at St. Jude Children?s Research Hospital in Memphis. It already appears more infectious than the H5N1 strain of bird flu that has been circulating since 2003, infecting 600 people and killing 60 percent of them, he said...
